Home / 1,137,812,318.16-1,706,719,141.54-319,924,619.16

Finding the Fourth Proportional to 1,137,812,318.16, 1,706,719,141.54 and 319,924,619.16

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Solution

The fourth proportional to 1,137,812,318.16, 1,706,719,141.54 and 319,924,619.16 is: 479,887,115.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,812,318.16 : 1,706,719,141.54 = 319,924,619.16 : x
  2. Step 2: Convert to fraction form
    1,137,812,318.16/1,706,719,141.54 = 319,924,619.16/x
  3. Step 3: Cross multiply
    1,137,812,318.16x = 1,706,719,141.54 × 319,924,619.16
  4. Step 4: Simplify right side
    1,137,812,318.16x = 546,021,471,362,490,816
  5. Step 5: Solve for x
    x = 546,021,471,362,490,816/1,137,812,318.16
  6. Step 6: Final answer
    x = 479,887,115.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.